| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.location.contexthub; |
| |
| import android.content.Context; |
| import android.os.ShellCommand; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * ShellCommands for ContextHubService. |
| * |
| * Use with {@code adb shell cmd contexthub ...}. |
| * |
| * @hide |
| */ |
| public class ContextHubShellCommand extends ShellCommand { |
| |
| // Internal service impl -- must perform security checks before touching. |
| private final ContextHubService mInternal; |
| private final Context mContext; |
| |
| public ContextHubShellCommand(Context context, ContextHubService service) { |
| mInternal = service; |
| mContext = context; |
| } |
| |
| @Override |
| public int onCommand(String cmd) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_CONTEXT_HUB, "ContextHubShellCommand"); |
| |
| if ("deny".equals(cmd)) { |
| return runDisableAuth(); |
| } |
| |
| return handleDefaultCommands(cmd); |
| } |
| |
| private int runDisableAuth() { |
| int contextHubId = Integer.decode(getNextArgRequired()); |
| String packageName = getNextArgRequired(); |
| long nanoAppId = Long.decode(getNextArgRequired()); |
| |
| mInternal.denyClientAuthState(contextHubId, packageName, nanoAppId); |
| return 0; |
| } |
| |
| @Override |
| public void onHelp() { |
| PrintWriter pw = getOutPrintWriter(); |
| pw.println("ContextHub commands:"); |
| pw.println(" help"); |
| pw.println(" Print this help text."); |
| pw.println(" deny [contextHubId] [packageName] [nanoAppId]"); |
| pw.println(" Immediately transitions the package's authentication state to denied so"); |
| pw.println(" can no longer communciate with the nanoapp."); |
| } |
| } |